private void detach_RoleUsers(RoleUser entity)
		{
			this.SendPropertyChanging();
			entity.User = null;
		}
		private void attach_RoleUsers(RoleUser entity)
		{
			this.SendPropertyChanging();
			entity.User = this;
		}
 partial void UpdateRoleUser(RoleUser instance);
 partial void DeleteRoleUser(RoleUser instance);
 partial void InsertRoleUser(RoleUser instance);